UX design (User Experience)
UX design (User Experience design) is the discipline focused on designing the overall experience a user has with a product — a website, application or digital service. It covers not only the visual side, but above all how easily and pleasantly the user can achieve their goal. Good UX means that a website visitor intuitively knows where to click, quickly finds the information they need and completes the desired action without frustration — whether that's a purchase, filling in a form or reading an article.
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Principles of good UX design
The basic principles of UX design include: simplicity (less is more — don't overwhelm the user with unnecessary choices), consistency (the same elements behave the same way across the entire site), feedback (the user always knows what's happening — loading states, confirmations, error messages), accessibility (the website is usable by everyone, including people with disabilities) and efficiency (the user reaches the goal in as few clicks as possible). These principles apply universally, from small websites to complex applications.
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The UX design process
UX design isn't a one-off activity but an iterative process. It starts with research — who your users are and what their needs and pain points are. Next come the creation of personas (fictional profiles of typical users), the design of user flows, wireframes, prototyping and testing with real users. Based on the feedback the design is adjusted and tested again. At Appitect we apply this process to every project, because a well-designed user experience directly affects the conversion rate.
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UX vs. UI — what's the difference
UX and UI are often confused, but they are distinct disciplines. UX deals with "how it works" — structure, navigation, user flows and the overall logic of the product. UI (User Interface) deals with "how it looks" — colours, typography, the layout of elements and the visual style. Imagine a house: UX is the architectural plan (where the doors and windows are, how you move between rooms), UI is the interior design (wall colours, furniture, lighting). Both have to work together.
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The impact of UX on business
Investing in UX design has a direct impact on business results. Studies show that every dollar invested in UX brings a return of 2–100 dollars. Good UX increases conversion rate, reduces bounce rate, raises customer satisfaction and lowers customer-support costs. Poor UX, on the other hand, leads to user frustration — 88% of people will not return to a site where they had a bad experience.
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Practical example
A client had an e-shop with high traffic but a low conversion rate (0.8%). A UX audit revealed that the checkout had 7 steps and wasn't optimised for mobile. We simplified checkout to 3 steps, added guest checkout and optimised the mobile version. The conversion rate rose to 2.1% — that's a 162% increase without spending a single crown extra on advertising.
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